U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 33/311 - Record movable to marking position


Subclass of Class 33 - Geometrical instruments
Definition: Device wherein the record surface is normally spaced from
No. of patents: 4
Last issue date: 07/23/1996


NumberTitleIssue Date
5537753Bore hole inclinometer apparatus
A bore hole inclinometer device for use in core drilling employing hollow drill rods, and a core barrel, the device having, an elongated casing dimensioned to fit within the hollow drill rods, and having at its lower end an attachment for a core barrel, a...
07/23/1996
4578871Inclinometer
The inclinometer comprises a single module for measuring the inclination and azimuth of a bore, such as that of an oil well. The single module contains a removable cassette with an inclination measurement means disposed on one side thereof and an azimuth ...
04/01/1986
4198760Double punch inclinometer
An inclinometer for determining the inclination of a well bore including a longitudinally extending housing adapted to be lowered into the well bore to a given depth, a marking element mounted in the upper part of the housing and being suspended from a po...
04/22/1980
3938255Cantilever-type inclinometer
Apparatus for determining the inclination of a well bore comprising a flexible rod having an upper end rigidly supported by the apparatus and a needle point means operatively connected with the lower end of said rod and suspended over a vertically movable...
02/17/1976
 
Sign InRegister
Username  
Password   
forgot password?